*{
    padding:0;
    margin: 0;
    list-style: none;
    box-sizing: border-box;
    text-decoration: none;
}
html,body{
    width: 100%;
    height: 100%;
    background: #eee;
    overflow: hidden;
}

.box{
    width: 1000px;
    min-height: 300px;
    margin: 10px auto 0;
    border:1px solid #CCC;
}

.box h2{
    line-height: 50px;
    font-size: 18px;
    font-family: "楷体";
    padding-left: 15px;
}
.btns {
    text-align: center;
    margin: 10px;
}
.btns button{
    margin: 0 10px;
    padding: 8px 15px;
    color: #FFF;
    border: 0;
    border-radius: 5px;
    font-size: 14px;
}
.add{
    background: #106CC8;
}
.clear{
    background: #FF5722;
}

.con{
    display: flex;
    flex-wrap: wrap-reverse;
}
.tag{
    margin: 10px;
    padding: 0 10px;
    height: 35px;
    line-height: 35px;
    background: #009688;
    font-size: 14px;
    color: #FFF;
}
.tag span{
    font-size: 20px;
    margin-left: 20px;
    color: red;
}